Air is different temperatures around the world (because the sun shines most at the equator and less at the poles). A-level » Geography » Introduction to Weather and Climate. Sun heats the air and it rises at the equator to create an area of low pressure on the earth’s surface. This circulation occurs in ‘ cells ’. We have detected that Javascript is not enabled in your browser. This is done in part by the Tri-Cellular Model. Besides their effect on the global wind belts, the high and low pressure areas created by the six atmospheric circulation cells determine in a general way the amount of precipitation a region receives. Author: Created by tosh740. Due to the earth spinning on a tilted axis the position of the overhead sun migrates, Northwards, when we have our summer solstice (longest. The dynamic nature of our site means that Javascript must be enabled to function properly. In total, ocean currents transfer about 25% of the global heat. The global atmospheric circulation patterns that are evident in the Earth's atmosphere are a product of the differential heating of the Earth. It looks complicated at first, but it really isn’t when you break it down. As it sinks it is pressing down on the earth creating an area of high pressure. The global circulation. Global atmospheric circulation? 4.3 9 customer reviews. The sun heats up air in the Earth’s atmosphere. It covers weather hazards and climate change, featuring diagrams and images to aid understanding. I have provided this lesson plus worksheet to help simply the physical processes involved for the middle ability and lower ability pupils. Covering KS3, GCSE and A-Level, we provide the most comprehensive GCSE and A-Level revision tools to pass your exams. Week 1 Global Atmospheric Circulation PowerPoint. part of the global atmospheric circulation cells, and move from high to low pressure. Click Week 1 Global Atmospheric Circulation.pptx link to view the file.. You are currently using guest access () The aim of this Course is to present all the relevant material in an engaging manner and … The UK lies in the 'battleground' between warm tropical air to the south and cold polar air to the north. Ocean currents are movements of surface water. Start studying AQA GCSE Geography Global Atmospheric Circulation. Students complete activities compare their exam question responses with model answers. This is done in part by the Tri-Cellular Model. Suitable for AQA, OCR, Eduqas, Edexcel and OCR exam boards. The Earth heats up more at the Equator than at the poles; as it heats up, the air at the Equator expands and rises, and as it cools it moves outwards towards around 30 north and Figure 1 (Source: Edexcel GCSE (9-1) Geography A student book, Pearson) » gcse geo haven't started yet » Geography: Hazardous Earth: Global Circulation » A-Level Edexcel Geography 22nd May » Similar Geography resources: ... - Winds are part of global atmospheric circulation loops (or cells). Author: Created by teacherfriend123. Log in. The ITCZ moves with the overhead sun, because where the sun is overhead should be the hottest area. Read more. There is a surplus of energy at the tropics and a deficit in polar areas. Air pressure is the weight of the air pressing down on the earth’s surface. This worksheet quickly summaries the impact of the global circulation system on world climate. All the Countries of the World and their Capital Cities, GCSE Geography - Causes of Climate Change, {"ad_unit_id":"App_Resource_Leaderboard","width":728,"height":90,"rtype":"Quiz","rmode":"canonical","placement":2,"sizes":"[[[0, 0], [[970, 250], [970, 90], [728, 90]]]]","custom":[{"key":"env","value":"production"},{"key":"rtype","value":"Quiz"},{"key":"rmode","value":"canonical"},{"key":"placement","value":2},{"key":"uauth","value":"f"},{"key":"uadmin","value":"f"},{"key":"ulang","value":"en_us"},{"key":"ucurrency","value":"usd"}]}. The greatest amount of rain falls across the coast of West Africa. Catherine looks at global atmospheric circulation for your GCSE Geography exam. Atmospheric and oceanic circulation redistributes this energy, maintaining the global energy balance. Read more. Atmospheric circulation and motion. 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